Karstification
n. [地]喀斯特(或岩溶)作用
🗣️ 情景例句
A cookie can't hurt, though.
但一片小甜饼不要紧。
I'd like to reserve a seat to new york.
我要预订一个座位去纽约。
I've no idea. What do you think?
我不知道。你想干啥？